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Rotor Blade

Rotor Blade-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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NEW Control system for damping structural vibrations of a wind turbine system having multiple rotors
Vestas Wind Systems A/s
January 18, 2018 - N°20180017042

A wind turbine system comprising a plurality of wind turbines mounted to a support structure including a tower, wherein each of the plurality of wind turbines includes a rotor and a power generation system driven by the rotor, and at least one of a rotor blade pitch adjustment means and a generator power control means. The system further includes control ...
NEW Rotor blade pitch arrangement
Siemens Aktiengesellschaft
January 18, 2018 - N°20180017041

A blade pitch arrangement of a wind turbine is provided having a number of blade shafts extending radially outward from a hub and a rotor blade mounted around each blade shaft, which blade pitch arrangement includes a toothed ring arranged at the root end of each rotor blade; and a pitch drive unit for each rotor blade, having a driver ...
NEW Hub and rotor assemby for wind turbines with conjoined turbine blades
January 18, 2018 - N°20180017037

A hub and rotor assembly for wind turbines which include one or more conjoined blades. Each conjoined blade comprises two separate blade sections that are affixed together by a plurality of dividers or spacers. Each divider/spacer attaches to the inferior face of the first blade and the superior face of the second blade. This construction of rotor blades allows ...
NEW Rotor Blade Patent Pack
Download 317+ patent application PDFs
Rotor Blade Patent Applications
Download 317+ Rotor Blade-related PDFs
For professional research & prior art discovery
inventor
  • 317+ full patent PDF documents of Rotor Blade-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
NEW Shroud housing supported by vane segments
Pratt & Whitney Canada Corp.
January 18, 2018 - N°20180016943

A shroud mounting arrangement comprises a shroud housing and a shroud mounted to the shroud housing. The shroud is configured to surround a stage of rotor blades of a gas turbine engine. A circumferentially segmented vane ring is disposed axially adjacent to the stage of rotor blades. The circumferentially segmented vane ring comprises a plurality of vane segments. The vane ...
NEW Shroud for a gas turbine engine
General Electric Company
January 18, 2018 - N°20180016924

Shrouds and shroud segments for gas turbine engines are provided. In one embodiment, a shroud segment for a gas turbine engine having a rotor blade stage and a nozzle stage is provided. The shroud segment comprises a forward end defining an outer wall of the rotor blade stage and an aft end defining an outer wall of the nozzle stage. ...
NEW Abrasion resistant pivot bearing
Sikorsky Aircraft Corporation
January 18, 2018 - N°20180016002

An elastomeric bearing configured for use in a rotor blade assembly is provided including an inner race, and an outer race. An outer damper portion is arranged adjacent the outer race and an inner snubber portion is arranged adjacent the inner race. A rigid transition layer is disposed between the outer damper portion and the inner snubber portion. The rigid ...
Rotor Blade Patent Pack
Download 317+ patent application PDFs
Rotor Blade Patent Applications
Download 317+ Rotor Blade-related PDFs
For professional research & prior art discovery
inventor
  • 317+ full patent PDF documents of Rotor Blade-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Wind turbine
Siemens Aktiengesellschaft
January 11, 2018 - N°20180010584

A wind turbine is provided, including a hub, a blade shaft which is connected to the hub, a rotor blade which is connected to the blade shaft, a fixed bearing arrangement which is arranged at a blade end) of the blade shaft, and a floating bearing arrangement which is arranged at a hub end of the blade shaft, wherein the ...
Wind turbine
Mega Windforce Ip Bv I/o
January 11, 2018 - N°20180010581

A wind turbine is described which includes a support structure, a rotor which includes one or multiple rotor blades and which is situated on the support structure so that the rotor is freely rotatable about a rotation axis, and a generator which is connected to the rotor and which converts the wind energy into electrical energy when the rotor is ...
Wind turbine rotor blade with vortex generators
Siemens Aktiengesellschaft
January 11, 2018 - N°20180010579

A rotor blade of a wind turbine including at least one vortex generator is provided. The vortex generator is attached to the surface of the rotor blade and is located at least partially within the boundary layer of the airflow flowing across the rotor blade. The vortex generator is exposed to a stagnation pressure, which is caused by the fraction ...
Shroud configurations for turbine rotor blades
General Electric Company
January 11, 2018 - N°20180010467

A turbine rotor blade that includes a tip shroud attached to the outboard tip of the airfoil. The tip shroud may include an axially and circumferentially extending planar component in which an inboard surface opposes an outboard surface, and a shroud edge that connects the inboard surface to the outboard surface and defines an outboard profile of the tip shroud. ...
Fiber-reimforced molded bodies made of expanded particle foam material
Basf Se
January 11, 2018 - N°20180009960

The present invention relates to a molding made of expanded bead foam, wherein at least one fiber (f) is partly within the molding, i. E. Is surrounded by the expanded bead foam. The two ends of the respective fibers (f) that are not surrounded by the expanded bead foam thus each project from one side of the corresponding molding. The ...
Production mold for a rotor blade
Senvion Gmbh
January 11, 2018 - N°20180009177

A production mold for a rotor blade of a wind turbine is provided, having two mold half-shells each with an open side and arranged in a retaining device, wherein the two retaining devices are connected to one another in an articulated manner and can be swung back and forth from an open position, in which the two mold half-shells are ...
Mobile pressure tool for rotor blade processes
Sikorsky Aircraft Corporation
January 11, 2018 - N°20180009068

A pressure tool for rotor blade repair including a mobile support system including a support surface, a first bladder support assembly including a first inflatable bladder fixedly mounted to the support surface, a second bladder support assembly including a second inflatable bladder pivotally mounted relative to the support surface, and an activation mechanism operatively coupled to the second bladder support ...
Rotor Blade Patent Pack
Download 317+ patent application PDFs
Rotor Blade Patent Applications
Download 317+ Rotor Blade-related PDFs
For professional research & prior art discovery
inventor
  • 317+ full patent PDF documents of Rotor Blade-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Method of handling a wind turbine rotor blade pitch bearing unit
Siemens Aktiengesellschaft
January 04, 2018 - N°20180003157

A method of handling the pitch bearing unit of a rotor blade mounted to the hub of a wind turbine, the method including the steps of providing an extension assembly at the interface between the rotor blade and the hub, moving the rotor blade outward from the hub by means of the extension assembly to open a gap large enough ...
Morphing segmented wind turbine and related method
University Of Virginia Patent Foundation
January 04, 2018 - N°20180003151

A downwind morphing rotor that exhibits bending loads that will be reduced by aligning the rotor blades with the composite forces. This reduces the net loads on the blades which therefore allow for a reduced blade mass for a given maximum stress. The downwind morphing varies the amount of downstream deflection as a function of wind speed, where the rotor ...
Rotor blade damage
Rolls-royce Plc
January 04, 2018 - N°20180003073

A rotor assembly (30) comprising a rotor (32) having an annular array of rotor blades (34), the rotor mounted to a shaft (38). A phonic wheel (40) coupled to the shaft. A speed sensor (44) axially aligned with the phonic wheel and configured to measure voltage (v), amplitude of the voltage being proportional to clearance (46) between the sensor and phonic wheel. A processor (48) configured to: receive ...
Interior cooling configurations for turbine rotor blades
General Electric Company
January 04, 2018 - N°20180003061

A turbine rotor blade that includes an interior cooling configuration having a section configuration that includes: a main channel divided into three non-overlapping segments in which an upstream segment connects to a downstream segment via a transition segment positioned therebetween; and one or more branching channels extending from the main channel via connections each makes to the transition segment. The ...
Erosion resistant coatings
Hontek Corporation
January 04, 2018 - N°20180002530

An erosion resistant article such as rotor blades for helicopters and wind turbines having the leading edge surface protected from damage from high speed impingement of rain or sand with a protective coating formed from specific polyurethane or polyurea coating having a defined set of minimum physical properties where the protective coating can be applied as a liquid coating and ...
Apparatus and methods for making rotorcraft rotor blades
Sikorsky Aircraft Corporation
January 04, 2018 - N°20180002038

A method of making a rotor blade assembly includes receiving a sheath assembly and a blade body at a blade assembly tool. The sheath assembly is spread by applying force to an interior surface of the sheath assembly. The blade body is inserted within the interior of the sheath assembly, registered with the sheath assembly, and the force removed from ...
Thrust-generating rotor assembly
Prox Dynamics As
January 04, 2018 - N°20180002008

The present invention discloses a rotor control system where rapid changes in rotor torque are transferred into moment forces acting about the blade pitch axis of a rotor blade in a thrust-generating rotor, to ultimately control the movements of a rotary wing aircraft. The moment forces acting on the rotor blade are transferred through a carefully adjusted damping member in ...
Rotor assembly including a one piece molding rotor hub
Sikorsky Aircraft Corporation
January 04, 2018 - N°20180002002

A rotor assembly for use with rotor blades and a drive shaft includes a one-piece molded rotor hub having a central hub and a plurality of hollow spindles integrally molded with and extending radially outwardly of the central hub to which rotor blades are attachable. The central hub includes a hollow interior that is receptive to a drive shaft configured ...
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